<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

  <style type="text/css">

    *{
      margin: 0;
      padding: 0;
    }

    .father{
      width: 200px;
      height: 200px;
      border: 1px solid #000;
      margin: 100px auto;
    }
    .son{

      width: 200px;
      height: 200px;
      background-color: rgba(200,0,0,0.3);
      transform: scale(1.5,1);

    }

  </style>
</head>
<body>

<div class="father">
  <div class="son"></div>
</div>

</body>
</html>